Keyphrases
- test collection
- patent retrieval
- evaluation metrics
- web retrieval
- cross language information retrieval
- trec web
- retrieval effectiveness
- cross lingual information retrieval
- graded relevance
- information retrieval
- evaluation framework
- ir evaluation
- databases
- query translation
- english chinese
- cross lingual
- prior art
- search tasks
- retrieval model
- relevant documents
- decision trees
- website
- search engine
- artificial intelligence
- machine learning